Sage 100 Sync Error - Error: Code CI_NOF, Message: 00-X is not on file. when calling nSetKeyValue with parameters VendorNo$, X

Occasionally when syncing invoices from Quadient AP into Sage 100, you may receive the sync error message: 'Error: Code CI_NOF, Message: 00-X is not on file. when calling nSetKeyValue with parameters VendorNo$, X. When a vendor is deactivated in Sage 100, you must run a sync to mark the vendor as inactive in Quadient AP. If you attempt to sync an invoice for a deactivated vendor, you will receive this error message. 

How to resolve this error message

Confirm that the invoice is coded to the correct vendor. Follow our guide to reset an invoice if it is coded to the incorrect vendor. If the vendor was deactivated by mistake in Sage 100, your Sage 100 Administrator must mark the vendor as active.

If you continue to have issues after following this guide, please reach out to our Support Team for further assistance.